Facebook login fails in UIWebView
https://www.facebook.com/plugins/close_popup.php?reload=https%3A%2F%2Fwww.facebook.com%2Fplugins%2Flogin_button.php%3Fapi_key%3D169204753146832%26channel%3Dhttp%253A%252F%252Fstatic.ak.facebook.com%252Fconnect%252Fxd_arbiter.php%253Fversion%253D9%2523cb%253Df1051eaed%2526origin%253Dhttp%25253A%25252F%25252Ftricities.dealsaver.com%25252Ffbc3dae68%2526domain%253Dtricities.dealsaver.com%2526relation%253Dparent.parent%26locale%3Den_US%26login_text%3DSign%2Bup%2Bwith%2BFacebook%26scope%3Dpublish_stream%252Cuser_likes%26sdk%3Djoey%26ret%3Dperms%26hash%3DAQCsCJlu9Nl34MTK&perms=user_likes&selected_profiles=789043653#_=_
Facebook
/**
* Show the authorization dialog.
*/
- (void)login {
HackbookAppDelegate *delegate = (HackbookAppDelegate *)[[UIApplication sharedApplication] delegate];
if (![[delegate facebook] isSessionValid]) {
[[delegate facebook] authorize:permissions];
} else {
[self showLoggedIn];
}
}